Finding the Fourth Proportional to 50,191.29, 69,294.02 and 31,353.93

Step by Step Solution

1. Step 1: Write the proportion equation
   50,191.29 : 69,294.02 = 31,353.93 : x
2. Step 2: Convert to fraction form
   50,191.29/69,294.02 = 31,353.93/x
3. Step 3: Cross multiply
   50,191.29x = 69,294.02 × 31,353.93
4. Step 4: Simplify right side
   50,191.29x = 2,172,639,695.73
5. Step 5: Solve for x
   x = 2,172,639,695.73/50,191.29
6. Step 6: Final answer
   x = 43,287.19